#66511C#66511C

#66511C is a dark, moderate orange. Relative luminance 0.088; OKLCH L 44.6% C 0.075 H 87.0°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#66511C
RGB	rgb(102, 81, 28)
HSL	hsl(43, 57%, 25%)
HSV	hsv(43, 73%, 40%)
CMYK	cmyk(0%, 20.6%, 72.5%, 60%)
CIE-LAB	lab(35.58, 2.40, 33.33)
CIE-LCH	lch(35.58, 33.41, 85.88°)
OKLab	oklab(44.56% 0.004 0.0751)
OKLCH	oklch(44.56% 0.075 87)
XYZ	xyz(8.6320, 8.7940, 2.3411)
Luminance	0.0879 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66511C #1C3166

analogous

#662C1C #66511C #56661C

triadic

#66511C #1C6651 #511C66

tetradic

#66511C #1C662C #1C3166 #661C56

square

#66511C #1C662C #1C3166 #661C56

split-complementary

#66511C #1C5666 #2C1C66

monochromatic

#181307 #362B0F #66511C #967729 #C69D36

Accessibility & contrast

On white

7.61

#66511C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#66511C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66511C

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66511C	#FFFFFF	#000000	##FFFFFF
##66511C	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5015

Deuteranopia (green-blind)

#60561E

Tritanopia (blue-blind)

#6F4A46

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #66511c;
/* rgb */ color: rgb(102, 81, 28);
/* oklch */ color: oklch(44.6% 0.075 87.0);

Tailwind

colors: {
  custom: {
    50: '#95815b',
    500: '#66511c',
    950: '#000000',
  },
}

SCSS

$custom: #66511c;
$custom-light: #95815b;
$custom-dark: #000000;

JSON

{
  "hex": "#66511c",
  "rgb": {
    "r": 102,
    "g": 81,
    "b": 28
  },
  "hsl": {
    "h": 42.973,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.44561,
    "c": 0.07522,
    "h": 87
  },
  "luminance": 0.08793
}

Semantic roles & 50–950 ramp

primary

#66511C

secondary

#435C9B

accent

#73E048

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0A04

muted

#7E7C79

Preview Lab

Preview with #66511C

Body copy rendered with the generated semantic roles for this colour.

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